1 definition by G.O.B,

Top Definition
N. When a girl makes a guy a sandwich and then proceeds to give him a blow job as he enjoys the sandwich.

NB: The sandwich does not have to be a ham sandwich. It can be any type of sandwich.
John was hungry, so he asked Mary to give him a hamtasm during foreplay.
by G.O.B, October 11, 2009

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt